Remove the ClearCookies and ClearCache methods from ContentBrowserClient

android_webview/browser/aw_content_browser_client.cc

Index: android_webview/browser/aw_content_browser_client.cc
diff --git a/android_webview/browser/aw_content_browser_client.cc b/android_webview/browser/aw_content_browser_client.cc
index 34af1dceca443031e721d2e194357026698a5a47..76fc3cf65807632a5286a7b21f008f7297caacca 100644
--- a/android_webview/browser/aw_content_browser_client.cc
+++ b/android_webview/browser/aw_content_browser_client.cc
@@ -18,7 +18,6 @@
 #include "android_webview/browser/aw_settings.h"
 #include "android_webview/browser/aw_web_contents_view_delegate.h"
 #include "android_webview/browser/net/aw_url_request_context_getter.h"
-#include "android_webview/browser/net_disk_cache_remover.h"
 #include "android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.h"
 #include "android_webview/browser/tracing/aw_tracing_delegate.h"
 #include "android_webview/common/aw_descriptors.h"
@@ -434,15 +433,6 @@ net::NetLog* AwContentBrowserClient::GetNetLog() {
   return browser_context_->GetAwURLRequestContext()->GetNetLog();
 }
 
-void AwContentBrowserClient::ClearCache(content::RenderFrameHost* rfh) {
-  RemoveHttpDiskCache(rfh->GetProcess());
-}
-
-void AwContentBrowserClient::ClearCookies(content::RenderFrameHost* rfh) {
-  // TODO(boliu): Implement.
-  NOTIMPLEMENTED();
-}
-
 base::FilePath AwContentBrowserClient::GetDefaultDownloadDirectory() {
   // Android WebView does not currently use the Chromium downloads system.
   // Download requests are cancelled immedately when recognized; see